The utility model relates to an object soldering tin technical field, in particular to automatic soldering tin machine with object height adjusting function, including automatic soldering tin machine,automatic soldering tin mechanic makes bench wall welding strip shape backup pad, article one connected in star that the structure is the same is all opened to strip supporting plate both sides wall,and every structure is the same article one, all install the bar rack in the connected in star, every all assemble a counter gear on the bar rack, every wall center department has all opened circularthrough -hole, every on the gear all inlay dress branch in the circular through -hole, a pair of position is corresponding weld the horizontal pole on the branch jointly, the last wall of strip supporting plate is opened there is the second connected in star, the utility model discloses, help automatic soldering tin machine object when using can to adjust the height, the the position of the subject of being convenient for simultaneously can shift adjusting, and the object of being convenient for is simultaneously put fixedly, increases automatic soldering tin machine result of use.